Rudolf trónörökös vadászkastélya.

Postcard of the hunting lodge of Rudolf, Crown Prince of Austria (Rudolf Franz Karl Joseph; 21 August 1858 – 30 January 1889), the only son of Emperor Franz Joseph I and Elisabeth of Bavaria. He was the heir apparent to the throne of Austria-Hungary from birth. In 1889, he died in a suicide pact with his mistress, Baroness Mary Vetsera, at the Mayerling hunting lodge.